NEW DELHI: It takes a mega airline to create a mega hub. Delhi, followed by Mumbai, have climbed several spots this year to become the world’s top two low-cost mega hubs, in terms of providing international connectivity by budget airlines, according to UK-based air consultancy firm OAG. 

Bengaluru and Hyderabad also leapfrogged to make it to this list of top 25, which now comprises four Indian metros. This is thanks to the staggering number of flights domestic market leader IndiGo operates daily, close to 1,600, of which 150 are international. 

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